[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (24nT) IN MAGNETOMETER DATA 07 11 25 0516UT issued 0531 UT on 07 Nov 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

WEAK SUDDEN IMPULSE DETECTED (24nT) IN MAGNETOMETER DATA 07 11 25 0516UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    235.5      254.0       18.5
Darwin_(GA)                    nT    153.1      172.1       19.0
Darwin                         nT     51.7       76.6       24.8
Townsville_(GA)                nT   -645.2     -621.8       23.4
Townsville                     nT   -741.5     -718.6       22.9
Townsville_(ICSWSE/BOM)        nT   -115.1      -92.5       22.6
Learmonth_(GA)                 nT    300.7      328.5       27.8
Learmonth_(SWS)                nT   -966.1     -938.1       28.0
Canberra_(GA)                  nT   -195.6     -169.5       26.1
Hobart                         nT   -452.7     -422.8       29.9

Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au